Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 9, Problem 1CBQ
Summary Introduction
To analyze:
The experiment to demonstrate tetracycline resistance in some bacterial strains.
Introduction:
Drug resistance can be described as the reduction in the effectiveness of a certain drug in ceasing the growth or killing the organism (pathogen). When any pathogen develops the ability to resist more than one drug, it is called “multi-drug resistance.”
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Chapter 9 Solutions
Principles of Biology
Ch. 9.1 - Look ahead to Figure 17.10. How does bacterial...Ch. 9.1 - Prob. 1TYKCh. 9.2 - Prob. 1CCCh. 9.2 - Prob. 2CCCh. 9.2 - Prob. 3CCCh. 9.2 - A nucleotide composed of deoxyribose, phosphate,...Ch. 9.2 - Prob. 2TYKCh. 9.2 - Prob. 3TYKCh. 9.3 - Prob. 1TYKCh. 9.3 - To determine the structure of DNA, Watson and...
Ch. 9.4 - Prob. 1CCCh. 9.4 - Prob. 1TYKCh. 9.4 - Prob. 2TYKCh. 9.5 - Prob. 1CCCh. 9.5 - Prob. 1TYKCh. 9.5 - Prob. 2TYKCh. 9.5 - Prob. 3TYKCh. 9.6 - Prob. 1CCCh. 9.6 - A nucleosome is composed of 146 bp or 147 bp of...Ch. 9.6 - After they have replicated and become compacted in...Ch. 9.6 - Prob. 1BCCh. 9.6 - Which of the following is the correct order for...Ch. 9 - What is/are the main component(s) of chromosomes?...Ch. 9 - Prob. 2TYCh. 9 - Prob. 3TYCh. 9 - Prob. 4TYCh. 9 - Of the following statements, which is correct when...Ch. 9 - Prob. 6TYCh. 9 - Prob. 7TYCh. 9 - Prob. 8TYCh. 9 - Prob. 9TYCh. 9 - The conversion of euchromatin into heterochromatin...Ch. 9 - What are the four criteria that the genetic...Ch. 9 - What are the key features of DNA that allow it to...Ch. 9 - PRINCIPLES A principle of bioloy is that structure...Ch. 9 - Prob. 1CBQCh. 9 - Prob. 2CBQ
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- n gel electrophoresis of DNA, the different bands in the final gel form because the DNA molecules _______. a. are from different organisms b. have different lengths c. have different nucleotide compositions d. have different genesarrow_forwarda. Explain why the PCR is unlikely to amplify contaminatingbacterial DNA in a sample of human DNA. b. Explain how PCR could be used to pick a gene out of a complexgenome and amplify it.arrow_forwardOkazaki fragments are short DNA pieces that explain how the DNA polymerase can continue the synthesis of the new strand. True Falsearrow_forward
- Please explain the reason To make a new DNA strand, you need (check ALL that apply)... a template strand heavy nitrogen nucleotidesarrow_forwardAn interesting trait that some bacteria exhibit is resistance to beingkilled by antibiotics. For example, certain strains of bacteria areresistant to tetracycline, whereas other strains are sensitive to tetracycline.Describe an experiment you would carry out to demonstratethat tetracycline resistance is an inherited trait encoded bythe DNA of the resistant strain.arrow_forwardGive only typing answer with explanation and conclusion You are studying a strain of bacteria that carries a temperature-sensitive mutation in one of the genes required for DNA replication. The bacteria grow normally at the lower temperature, but when the temperature is raised they die. When you analyze the remains of the bacterial cells grown at the higher temperature you find evidence of partly replicated DNA. When the strands of this DNA are separated by heating, numerous single-stranded DNA molecules around 1000 nucleotides long are found. Which of the proteins listed below are most likely to be impaired in these mutant bacteria and why?: Primase, Helicase, or DNA Polymerase?arrow_forward
- Briefly explain the rationales of adding chemicals that can affect DNA stability in a polymerase chain reaction (PCR). Why DNA melting is required in PCR? Briefly explain how PCR can be used to detect DNA mutation.arrow_forwardWhen RNA polymerase transcribes DNA, only one of the two DNA strands is used as a template. Take a look and explain how RNA polymerase determines which DNA strand is the template strand.arrow_forwardAn effective DNA probe can sometimes be developed by knowing the amino acid sequence of the protein encoded by the gene. A student argued that this is too time-consuming since the complete amino acid sequence must be determined in order to create the probe. Does the student have a valid argument? Why or why not?arrow_forward
- true or false: DnaB acts as a helicase and unwinds strands of DNA.arrow_forwardWhy DNA melting is required in PCR? Briefly explain how PCR can be used to detect DNA mutation.arrow_forwardPCR (polymerase chain reaction) is an excellent method of generating copies of target DNA. If a single piece of double stranded DNA (dsDNA) is put into a PCR machine, how many dsDNA segments will there be after 3 rounds? A. 8 segments, with 2 original strands paired B. 16 segments, with 2 original strands on different segments C. 16 segments, with 2 original strands paired D. 8 segments, with 2 original strands on different segmentsarrow_forward
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